442421122242 has 32 divisors (see below), whose sum is σ = 965705961024. Its totient is φ = 134008185600.

The previous prime is 442421122223. The next prime is 442421122277. The reversal of 442421122242 is 242221124244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1318843 + ... + 1619934.

It is an arithmetic number, because the mean of its divisors is an integer number (30178311282).

Almost surely, 2^442421122242 is an apocalyptic number.

442421122242 is an abundant number, since it is smaller than the sum of its proper divisors (523284838782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442421122242 is a wasteful number, since it uses less digits than its factorization.

442421122242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941074.

The product of its digits is 16384, while the sum is 30.

Adding to 442421122242 its reverse (242221124244), we get a palindrome (684642246486).

The spelling of 442421122242 in words is "four hundred forty-two billion, four hundred twenty-one million, one hundred twenty-two thousand, two hundred forty-two".